The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kamlan 8mm F3.0 Fisheye and the Samyang 20mm F1.8 for their suitability to various photography scenarios:
Size and Weight Comparison
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Kamlan 8mm F3.0 Fisheye weighs 245g, which means it is 252g (50%) lighter than the Samyang 20mm F1.8 which has a weight of 497g.
Below you can find the dimension and weight table of the Wideangle Fisheye Prime Lenses in Canon EF-M Mount for size comparison purposes.
Ultra-Wideangle Lenses in Canon EF-M Mount for Size Comparison
Lens Mounts
Both the Kamlan 8mm F3.0 Fisheye and the Samyang 20mm F1.8 has the same Canon EF-M lens mount. Some of the latest released cameras that are compatible with the Canon EF-M lenses are , and .
Kamlan 8mm F3.0 Fisheye is also available in the Sony E mount.
Samyang 20mm F1.8 is also available in Canon EF , Fujifilm X, Micro Four Thirds, Nikon F (FX), Pentax KAF, Samsung NX, Sony Alpha and Sony E mounts.
Focal Range
Kamlan 8mm F3.0 Fisheye is a prime lens with fixed focal lenght of 8mm which has an effective (full-frame 35mm equivalent) focal range of
12mm when used on a APS-C / DX format camera.
On the other hand, the Samyang 20mm F1.8 is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 32mm.
